口算下面各题．
0.6×0.9= 0.45÷0.5= 0.27÷0.03= 4.5×2= 1.25×8=
2.5×4= 7.8÷0.2= 1÷0.1= 10×0.01= 99×0.1=
相关试题
口算下面各题．
0.6×0.9= 0.45÷0.5= 0.27÷0.03= 4.5×2= 1.25×8=
2.5×4= 7.8÷0.2= 1÷0.1= 10×0.01= 99×0.1=
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